package day10;

public class zuoye2 {
public static void main(String[] args) {
	String str = "I Love Java！";
	char [] array = str.toCharArray();
	for (int i = 0; i < array.length; i++) {
		if(67 <array[i] && array[i] < 97) {
			array[i] = (char) (array[i] + 32);
		
	}
}
for(char sc :array )	{
	System.out.print(sc);
}

}}
